Steel

The reinforced concrete members are the main members of the concrete structure. The bearing capacity of the reinforced concrete members is mainly controlled by the section size, the effective height o

On the afternoon of June 11th, Colombian merchants visited the China Coal Group E-commerce Industrial Park to conduct visits

ecently, Guizhou, Shaanxi, Yunnan and other provinces have introduced plans to promote the development of PPP, a total investment up to hundreds of billions of dollars.

November 8th afternoon, a batch of U steel arch supports were formally loaded in the industrial park of Shandong China Coal Group, would be sent to Xiangyuan District, Shanxi Province.In March and Jun

October 31 morning, 100 sets of new-type U-shaped steel arch supports were formally loaded in Shandong China Coal Group intelligent equipment production workshop after quality inspection and would be